Script Preparation code:
Tests:
  • JSON.stringify

  • slice

  • Array from

  • Spread

  • structuredClone

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    JSON.stringify
    slice
    Array from
    Spread
    structuredClone

    Fastest: N/A

    Slowest: N/A

Get performance results from real users on your website with Request Metrics.
Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/111.0
Firefox 111 on Mac OS X 10.15
View result in a separate tab
Test name Executions per second
JSON.stringify 1476444.0 Ops/sec
slice 6490270.0 Ops/sec
Array from 4155364.0 Ops/sec
Spread 6255414.0 Ops/sec
structuredClone 768376.3 Ops/sec